<!doctype html>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>Gauge Test</title>
    <style>body {
        padding: 0;
        margin: 0;
        background: #fff
    }</style>
</head>
<body>

<button onclick="animateGauges()">Animate</button>
<button onclick="stopGaugesAnimation()">Stop animation</button>

<hr>

<canvas data-type="radial-gauge"
        data-value="-20"
        data-width="400"
        data-height="400"
        data-bar-width="10"
        data-bar-shadow="5"
        data-color-bar-progress="rgba(50,200,50,.75)"
></canvas>

<canvas data-type="radial-gauge"
        data-value="120"
        data-width="400"
        data-height="400"
></canvas>

<canvas data-type="linear-gauge"
        data-value="-20"
        data-width="100"
        data-height="400"
></canvas>

<canvas data-type="linear-gauge"
        data-value="120"
        data-width="100"
        data-height="400"
></canvas>

<canvas data-type="radial-gauge"
        data-width="500"
        data-height="500"
        data-min-value="0"
        data-max-value="360"
        data-major-ticks="N,NE,E,SE,S,SW,W,NW,N"
        data-minor-ticks="22"
        data-ticks-angle="360"
        data-start-angle="180"
        data-stroke-ticks="false"
        data-highlights="false"
        data-color-plate="#33a"
        data-color-major-ticks="#f5f5f5"
        data-color-minor-ticks="#ddd"
        data-color-numbers="#ccc"
        data-color-needle="rgba(240, 128, 128, 1)"
        data-color-needle-end="rgba(255, 160, 122, .9)"
        data-value-box="false"
        data-value-text-shadow="false"
        data-color-circle-inner="#fff"
        data-color-needle-circle-outer="#ccc"
        data-needle-circle-size="15"
        data-needle-circle-outer="false"
        data-animation-rule="linear"
        data-needle-type="line"
        data-needle-start="75"
        data-needle-end="99"
        data-needle-width="3"
        data-borders="true"
        data-border-inner-width="0"
        data-border-middle-width="0"
        data-border-outer-width="10"
        data-color-border-outer="#ccc"
        data-color-border-outer-end="#ccc"
        data-color-needle-shadow-down="#222"
        data-border-shadow-width="0"
        data-animation-target="plate"
        data-units="ᵍ"
        data-title="DIRECTION"
        data-font-title-size="19"
        data-color-title="#f5f5f5"
        data-animation-duration="1500"
        data-value="365"
        data-animate-on-init="true"
></canvas>

<script async src="../gauge.min.js"></script>

<script>
if (!Array.prototype.forEach) {
    Array.prototype.forEach = function(cb) {
        var i = 0, s = this.length;
        for (; i < s; i++) {
            cb && cb(this[i], i, this);
        }
    }
}

document.fonts && document.fonts.forEach(function(font) {
    font.loaded.then(function() {
        if (font.family.match(/Led/)) {
            document.gauges.forEach(function(gauge) {
                gauge.update();
            });
        }
    });
});

var timers = [];

function animateGauges() {
    document.gauges.forEach(function(gauge) {
        timers.push(setInterval(function() {
            var min = gauge.options.minValue - 20;
            var max = gauge.options.maxValue + 20;

            gauge.value = min + Math.random() * (max - min);
        }, gauge.animation.duration + 50));
    });
}

function stopGaugesAnimation() {
    timers.forEach(function(timer) {
        clearInterval(timer);
    });
}
</script>

</body>
</html>
